Wednesday 11th November 1936
Rudolf Caracciola established a series speed records driving a 5.6-litre Mercede-Benz on a stretch of autobahn between Frankfurt and Heidelberg. After 4 test runs Caracciola bettered the world record for 10 miles {207.218 mph (333.485 km/h) [2 min 53.73 s]} and took two class B records on the shorter distances at the same time {5 Miles: 209.302 mph (336.839 km/h) [1 min 26.00 s] and10 km: 206.226 mph (331.889 km/h) [1 min 48.47 s]}.